<style>
    pre {
        white-space: pre-wrap;       /* css-3 */
        white-space: -moz-pre-wrap;  /* Mozilla, since 1999 */
        white-space: -o-pre-wrap;    /* Opera 7 */
        word-wrap: break-word;       /* Internet Explorer 5.5+ */
        word-break:break-all;
        overflow:hidden;
        line-height: 24px;
        font-size: 16px;
    }
</style>
<pre>
{{ $param['protocol'] }}
</pre>